-74.45% is the change from 497 to 127
Calculation steps:
[( 127 - 497 ) ÷ 497] x 100 = -74.45%
Formula
Percentage change = [(127 - 497) / 497] x 100
Subtract the new number by the original number
127 - 497 = -370
-370 ÷ 497 = -0.744466800804829
-0.744466800804829 x 100 = -74.45%